John Mulaney gave girlfriend Olivia Munn some time to herself on Friday and took their newborn son Malcolm out for a walk.
This is the first sighting of the doting dad, 39, and his only child since welcoming the little one over the holidays.
Mulaney had the tiny tot in a baby carrier on his chest while taking in the sights in his Los Angeles neighborhood alongside friend and fellow comedian Sarah Silverman who was out walking her dog.
Father son moment: John Mulaney gave girlfriend Olivia Munn some time to herself on Friday and took their newborn son Malcolm out for a walk
John was dressed down in navy blue track pants, a long sleeve shirt and a baseball cap for his stroll.
His infant son was dressed warmly with a knit white hat and nestled safely on his chest in a blue carrier.
The Kid Gorgeous star chatted amiably with neighbor and pal, Sarah Silverman, who happened to be walking her dog at the same time.
Silverman, 51, looked relaxed in slouchy black pants, a sleeveless heather grey T-shirt, sunglasses and a baseball cap.
Low key: John was dressed down in navy blue track pants, a long sleeve shirt and a baseball cap for his stroll
Little one! His infant son was dressed warmly with a knit white hat and nestled safely on his chest in a blue carrier
Friends! Mulaney had the tiny tot in a baby carrier on his chest while taking in the sights in his Los Angeles neighborhood alongside friend and fellow comedian Sarah Silverman who was out walking her dog
John's girlfriend Olivia Munn wasn't spotted with the pair and was likely getting some much needed R&R.
This week the actress shared some adorable new photos of her and John's son with his 'BFF' Penny, the daughter of Dan Levy and wife Rachel Specter.
Just two months after arriving to the world, the babies, who share the same birthday, have maintained a strong friendship, according to their parents.
'Penny Levy + Malcolm Mulaney, 8 weeks old, born hours apart and across the hall from each other,' The Predator actress captioned a slideshow of the infants snuggled up to each other.
Funny stars: Silverman, 51, looked relaxed in slouchy black pants, a sleeveless heather grey T-shirt, sunglasses and a baseball cap